Radiant|Natural|GIA

1.00ct I SI1 Radiant Natural Diamond

VG • I/SI1 • GIA 1515499834

Certificate GIA 1515499834

Diamond specifications and retailer prices

From $3,487 NZD
As of November 6, 2026
Save $4,227 NZD (55%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $9,229 NZD at NZ Jewellers · As of September 30, 2026
View at NZ Jewellers

About this 1ct natural radiant diamond

This 1ct natural radiant sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 1515499834. Listed at 19 retailers as of November 4, 2026, with a 121% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
I
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1515499834
Dimensions6.69 × 4.99 × 3.44 mm
L/W Ratio1.34
Culet sizeNone
Top View
6.69 mm4.99 mm1.00 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1515499834
Side View
Table 69.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $4,670 NZD|Low: $3,691 NZD|High: $7,825 NZD|Avg: $5,110 NZD|+1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 7, 2026
Retailer 8$3,691 NZD
Retailer 6$3,767 NZD
Retailer 2$4,282 NZD
Retailer 7$4,535 NZD
Retailer 1$4,670 NZD
Retailer 4$5,386 NZD
Retailer 9$5,432 NZD
Retailer 3$5,480 NZD
Retailer 5$7,713 NZD

42 data points across 9 retailers

19 retailers$3,487 NZD to $7,713 NZD

A
Cheapest Retailer
-
$3,487 NZD
B+
Retailer 2
-
$3,611 NZD
View
B+
Retailer 3
-
$3,691 NZD
View
Final sale: no returns
B+
Retailer 4
-
$3,857 NZD
View
Retailer 5
-
$3,999 NZD
View
Price last confirmed 40 days ago
B+
Retailer 6
-
$4,095 NZD
View
Retailer 7
-
$4,183 NZD
View
Price last confirmed 37 days ago
B+
Retailer 8
-
$4,282 NZD
View
B
Retailer 9
-
$4,535 NZD
View
Retailer 10
-
$4,614 NZD
View
Price last confirmed 39 days ago
B
Retailer 11
-
$4,618 NZD
View
B
Retailer 12
-
$4,618 NZD
View
B+
Retailer 13
-
$4,670 NZD
View
B
Retailer 14
-
$4,780 NZD
View
B
Retailer 15
-
$5,386 NZD
View
Retailer 16
-
$5,432 NZD
View
Price last confirmed 37 days ago
B
Retailer 17
-
$5,480 NZD
View
B
Retailer 18
-
$7,713 NZD
View
Most Expensive
NZ Jewellers
18ed3865-72f4-495f-ba79-541c5e595169 · Sep 30
$9,229 NZD
$5,116 USD
View
Price last confirmed 37 days ago
18 more retailers have this diamond
Prices start from $3,487 NZDSave up to $4,227 NZD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.00ct Radiant
$3,487 NZD